Chicago Bears (1-3) @ Kansas City Chiefs (1-3).

Bears and Chiefs are tied for the NFL's worst scoring defense this season (31.3 PPG).

Matt Forte: 84 carries, 367 yards, TD; 13 receptions, 133 yards. Leads the NFL with 84 carries this season.

Martellus Bennett 2015 season: 24 receptions, 201 yards, 2 TD - leads Bears in receptions, receiving yards, and TD receptions.

Bears defense allowed 70 rush yards in Week 4 after giving up 135.7 rush YPG in first three games this season.

Kansas City has allowed 30-plus points in three-straight games this season.

K.C.'s offense has given up 19 sacks allowed this season (most in NFL) - 12 sacks allowed in last two games combined.

Jamaal Charles: 59 carries, 306 yards, 4 TD; 20 receptions, 151 yards, TD.

Justin Houston: Back-to-back games without a sack.

NFL's Matchup to watch: Pernell McPhee vs. Chiefs O-line.